MPEC 2023-S239 : 2023 SJ7
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M.P.E.C. 2023-S239 Issued 2023 September 27, 13:32 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets, routine data on comets and natural satellites,
and occasional editorial announcements. They are published
on behalf of Division F of the International Astronomical Union by the
Minor Planet Center, Smithsonian Astrophysical Observatory,
Cambridge, MA 02138, U.S.A.
Prepared using the Tamkin Foundation Computer Network
MPC@CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2023 SJ7
Observations:
K23S07J 1C2023 09 24.40405 02 38 04.17 +31 59 21.0 21.1 GVES239G96
K23S07J 1C2023 09 24.41575 02 38 02.70 +31 58 55.5 21.0 GVES239G96
K23S07J 1C2023 09 24.42155 02 38 02.07 +31 58 43.1 20.9 GVES239G96
K23S07J* C2023 09 25.42378502 36 24.648+31 22 22.10 20.69iXES239F51
K23S07J C2023 09 25.43213902 36 23.606+31 22 05.17 21.35iXES239F51
K23S07J C2023 09 25.44051602 36 22.550+31 21 47.88 21.11iXES239F51
K23S07J KC2023 09 26.26928402 34 57.71 +30 51 31.2 uES239H21
K23S07J KC2023 09 26.27627902 34 56.87 +30 51 16.5 20.9 VuES239H21
K23S07J KC2023 09 26.27907602 34 56.50 +30 51 10.3 20.8 VuES239H21
K23S07J KC2023 09 26.28187402 34 56.19 +30 51 04.6 21.6 VuES239H21
K23S07J KC2023 09 26.28642 02 34 57.27 +30 50 58.2 21.2 RoES239291
K23S07J KC2023 09 26.29862 02 34 55.79 +30 50 33.3 21.2 RoES239291
K23S07J KC2023 09 26.31083 02 34 54.31 +30 50 08.0 oES239291
K23S07J KC2023 09 27.26229002 33 17.69 +30 15 45.6 21.0 GXES239858
K23S07J KC2023 09 27.27249002 33 16.42 +30 15 24.9 21.0 GXES239858
K23S07J C2023 09 27.30811002 33 12.181+30 14 12.43 20.9 GVES239H01
K23S07J C2023 09 27.31167902 33 11.723+30 14 04.75 20.9 GVES239H01
K23S07J C2023 09 27.32360802 33 10.232+30 13 40.05 21.4 GVES239H01
K23S07J C2023 09 27.32895702 33 09.558+30 13 28.89 20.8 GVES239H01
Observer details:
291 LPL/Spacewatch II. Observer M. T. Read. 1.8-m f/2.7 reflector + CCD.
858 Tebbutt Observatory, Edgewood. Observer F. B. Zoltowski. 0.51-m f/8.1
Schmidt-Cassegrain + CCD.
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, T. Lowe, P. Minguez, A.
Schultz, I. Smith. Measurers K. Chambers, T. de Boer, J. Bulger, J.
Fairlamb, H. Gao, M. Huber, C.-C. Lin, T. Lowe, E. Magnier, P. Minguez, Y.
Ramanjooloo, A. Schultz, I. Smith, R. Wainscoat, R. Weryk. 1.8-m Ritchey-
Chretien + CCD.
G96 Mt. Lemmon Survey. Observer K. W. Wierzchos. Measurers B. Gray, D.
Rankin, F. C. Shelly. 1.5-m reflector + 10K CCD.
H01 Magdalena Ridge Observatory, Socorro. Observers W. H. Ryan, E. V. Ryan.
Measurer W. H. Ryan. 2.4-m f/8.9 Ritchey-Chretien + CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers T. Linder, R. Holmes, L. Horn. 0.76-m f/3.0 astrograph + CCD.
Orbital elements:
2023 SJ7 Earth MOID = 0.0390 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5 Veres
M 27.49181 (2000.0) P Q
n 0.62279398 Peri. 80.68482 +0.60406534 +0.79604714
a 1.3580209 Node 226.54597 -0.75000101 +0.55190338
e 0.2736740 Incl. 2.96927 -0.26945045 +0.24841821
P 1.58 H 23.68 G 0.15 U 9
Residuals in seconds of arc
230924 G96 0.6- 0.2- 230926 H21 0.1- 0.1+ 230927 858 0.4- 0.0
230924 G96 0.4- 0.1- 230926 H21 0.4- 0.2- 230927 H01 0.2+ 0.1+
230924 G96 1.0+ 0.3+ 230926 H21 0.1+ 0.1+ 230927 H01 0.0 0.2-
230925 F51 0.1+ 0.2- 230926 291 0.8+ 0.9+ 230927 H01 0.0 0.0
230925 F51 0.1+ 0.0 230926 291 0.8+ 1.1+ 230927 H01 0.1- 0.0
230925 F51 0.1- 0.0 230926 291 1.0+ 1.0+
230926 H21 0.3- 0.2+ 230927 858 0.2+ 0.1-
Ephemeris:
2023 SJ7 a,e,i = 1.36, 0.27, 3 q = 0.9864
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 08 28 03 17 25.0 +51 32 02 0.09213 1.0182 92.3 82.5 21.4
...
2023 09 12 02 56 56.1 +39 50 06 0.1162 1.0578 113.1 61.1 21.3
...
2023 09 20 02 45 12.4 +34 41 50 0.1293 1.0837 124.9 49.5 21.3
...
2023 09 26 02 35 23.6 +31 01 28 0.1402 1.1049 134.0 40.7 21.2
2023 09 27 02 33 41.8 +30 25 25 0.1421 1.1085 135.6 39.3 21.2
2023 09 28 02 31 59.4 +29 49 34 0.1441 1.1122 137.2 37.8 21.2
...
2023 10 04 02 21 35.2 +26 19 01 0.1570 1.1349 146.6 29.1 21.2
...
2023 10 12 02 07 56.5 +21 54 20 0.1783 1.1665 159.1 17.8 21.2
...
2023 10 27 01 47 41.7 +15 09 08 0.2349 1.2284 175.4 3.7 21.3
M. P. C. Staff (C) Copyright 2023 MPC M.P.E.C. 2023-S239
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